复习题练习答案分享

#include <iostream>
#include <cmath>

using namespace std;

int main() {
    int a = 12, b = 8, c = 6;
    // Q1
    int ans1 = pow(a, 2) + pow(b, 2) + pow(c, 2);
    // Q2
    double ans2 = pow(a / 2.0, 2) + pow(b / 2.0, 2) + pow(c / 2.0, 2);
    // Q3
    double ans3 = sqrt(ans1);
    // Q4
    double ans4 = pow(sqrt(5) + 1, 2) / 2 - 1;

    cout << "Q1的答案是：" << ans1 << endl;
    cout << "Q2的答案是：" << ans2 << endl;
    cout << "Q3的答案是：" << ans3 << endl;
    cout << "Q4的答案是：" << ans4 << endl;

    return 0;
}

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